1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
antiseptic1488 [7]
2 years ago
14

BRAINLIEST

Chemistry
2 answers:
pogonyaev2 years ago
6 0

Answer:

1st opt.

(copper is the only material consisting of a single pure substance)

Explanation:

an element is made up of only one type of atom, and copper (Cu) as you can see is a single pure atom whereas salt (NaCl) and vinegar (C2H4O2) are both made of different elements.

Hope this helps

lesantik [10]2 years ago
5 0

Answer:

copper is the only material composed of a single pure substance

Explanation:

plss mark brainliest

You might be interested in
Which one of the following is the net ionic equation for the reaction of nitric acid with aluminum hydroxide
kompoz [17]
The ionic eqn is as follow:

1 Al(OH)3(s) + 3 H+(aq) + 3 NO3(-1) --> 1 Al(3+)(aq) + 3 NO3(-)(aq) + 3 H2O(l)

3moles of No3- ion on both sides cancels out to give the net ionic eqn:

1 Al(OH)3(s) + 3 H+(aq) --> 1 Al(3+)(aq) + 3 H2O(l)
5 0
3 years ago
URGENT!! 7.(06.02 MC)
dolphi86 [110]

Answer:

3.B,E,F and G

Explanation:

1.A,B,C and H

5 0
2 years ago
Given the equation:
My name is Ann [436]

Answer:

this isnt even a question...

Explanation: what the heck

6 0
3 years ago
Can someone please help me? i will give brainlist
MA_775_DIABLO [31]

Answer:

B. Design homes that can be built on stilts where flooding is likely to occur.

C. Replace power lines that have been damaged by severe weather.

Explanation:

Hope this helps! :)

5 0
2 years ago
An iminium ion is formed as an intermediate in a stork enamine reaction. the iminium is subsequently hydrolyzed with water. comp
Dvinal [7]
Below is the mechanism showing the hydrolysis of Iminium Ion into aldehye. The arrows are shown in RED.

7 0
2 years ago
Other questions:
  • For the reaction H2SO4 + 2Na2OH4 —> Na2SO4 + 2H2O
    14·1 answer
  • Definition of sound waves
    13·1 answer
  • Which element is likely to have the highest thermal conductivity
    10·1 answer
  • Which scenario describes an interaction between two of Earth's spheres?
    10·2 answers
  • I really need help coming up with a three course meal idea, I need this for chemistry, can someone help me please? I need an app
    6·1 answer
  • The table above shows data collected on five apples while doing field research outside the laboratory. What type of lab equipmen
    12·2 answers
  • Which supports the idea that birds and butterflies both have wings but they do not have a common ancestor with wings?
    14·2 answers
  • Which term describes this molecular shape?
    5·1 answer
  • Fermions are force carriers. True False
    6·1 answer
  • hi there I have a question see my teacher wants me to record my self in how to solve a math problem but am so scared of many rea
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!